Which of the following is clearly not a case for professional ethics $($rather than ethics in general$)?$

Susan discovers that one of her neighbors in her apartment building is going through other people's mail and removing what he thinks is junk before it can reach its intended recipient. He is then recycling the "junk" he takes from their boxes.

Angela is a sysadmin for an insurance company. In the process of running a necessary security update, she accidentally comes across customer information belonging to her abusive soon$-$to$-$be$-$ex$-$husband $($they are in the process of getting a divorce$).$ This information makes it clear to Angela that her husband has been hiding assets in order to avoid losing them in court.

Gary is a radiologist. One afternoon, his friend Ricky confides in him that Ricky has an extremely rare joint cartilage condition that was revealed in $x-$rays just a week before, and asks Gary not to tell anyone; Gary is not the one who discovered the condition, but Ricky $($seeking a second opinion$)$ asks him to look at the films to confirm the diagnosis. One night at the regional Radiologist's Convention, Gary gets roaring drunk and tells all of the people at his table about Ricky's condition.

All of the above